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Silica Woven Fabric for High-Temperature Insulation from Canada

Woven fabric from high-silica glass fibers (per chapter note including fused silica) for thermal barriers in aerospace. HTS 7019.90.11.00 applies to this woven form suitable for extreme heat up to 1100°C. Used in engine compartments and fire curtains.

Duty Rate — Canada → United States

14.8%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Provide SiO2 content analysis (>60% per glass wool note) to confirm silica classification

Watch for 'worked' processes like annealing that don't affect heading per chapter note (a)

Label clearly as 'not for apparel' to prevent misroute to other chapters